[v3.1] xen: long latency MMIO mapping operations are not preemptible (CVE-2015-2752)
Xen Security Advisory 125:
VULNERABLE SYSTEMS ==
The issue is exposed via x86 HVM VMs which have been assigned a PCI device.
x86 PV domains, x86 HVM domains without passthrough devices and ARM domains do not expose this vulnerability.
Xen 3.2.x and later are vulnerable. Xen 3.1.x and earlier have not been inspected.
PATCHES ===
http://xenbits.xen.org/xsa/advisory-125.html
(from redmine: issue id 4085, created on 2015-04-21, closed on 2017-05-17)
- Relations:
- parent #4081
- Changesets:
- Revision ebe9b411 by Natanael Copa on 2015-04-21T14:48:17Z:
main/xen: upgrade to 4.4.2 and add various sec fixes
fixes #4080
fixes #4085
fixes #4090